Isotonic muscle contractions differ from isometric contractions because isotonic contractions ________.
A) result in lengthening of the muscle
B) involve movement of the muscle and body structures
C) do not involve shortening of a muscle
D) result in shortening of the muscle

Question

Quizplus · Accepted Answer

Isotonic contractions involve movement of the muscle and body structures, whereas isometric contractions do not involve movement and the muscle remains stationary. Isotonic contractions can result in either shortening or lengthening of the muscle depending on the resistance and load placed on it.

Isotonic Muscle Contractions Differ from Isometric Contractions Because Isotonic Contractions